Miami Jumbo Mortgage Loan Financing Requirements 10% Down Payment & 90% loan to value for owner occupied. 15% Down Payment Investment Jumbo Mortgage Loans 65% loan to value. $3,000,000 maximum loan amount. $10,000,000 Super Jumbo Max loan amount. We offer competitive 15 & 30 Year Fixed and Adjustable Mortgage Rates. Have you been turned down for a Miami Florida Jumbo Mortgage loan because; You own too many properties. You have more than 10 properties with mortgages. Credit scores are a little too low. Foreclosure or a Bankruptcy over 4 years ago. Prior loan modifications. Not to worry (1 comments)